@misc{indiciaec6f7704c3f91, title = {Classification and preoperative radiographic evaluation: knee.}, author = {G A Engh and D J Ammeen}, year = {1998}, doi = {10.1016/s0030-5898(05)70319-9}, url = {https://pubmed.ncbi.nlm.nih.gov/9553566/}, note = {Source identifier: 9553566} }